1 / 16

OMIS 651 Business Systems Analysis Design

What makes up an information system?. hardwaresoftwaredataprocedurespeople. General Systems Model. A system is any group of elements that work together for a common purposeSystems concepts can be applied to any type of system. Systems Model Components. . . . . . . . . BOUNDARY. SUBSYSTEMS. INPUT.

Leo
Download Presentation

OMIS 651 Business Systems Analysis Design

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

    1. OMIS 651 Business Systems Analysis & Design

    2. What makes up an information system? hardware software data procedures people

    3. General Systems Model A system is any group of elements that work together for a common purpose Systems concepts can be applied to any type of system

    4. Systems Model Components

    5. Uses of the Systems Model Way of looking at systems within their environment A problem solving approach

    6. Information Data vs. information Information processing acquire maintain summarize calculate present

    7. Who is involved in ISD? Stakeholders System owners System users System designers System builders

    8. Systems Analysts’ Tasks Define new system requirements Define scope and objectives of systems and projects Prepare for and conduct interviews with users Design system components such as screen and report layouts and user interface Analyze existing systems

    9. What makes a good systems analyst? Analytical skills Technical skills Communication skills Interpersonal skills Organizational knowledge Application knowledge

    10. Systems development: Is it an art or a science?

    11. Trends in Systems Development Unsystematic approach Structured approach output-oriented --> process-oriented Data-centered approach Object-oriented approach

    12. System Development Life Cycle 1. Planning - project identification & selection - project initiation 2. Analysis

    13. SDLC (continued) 3. Design - logical & physical 4. Implementation - construction, testing, conversion 5. Support/Maintenance

    14. “SDLC” versus “Methodology” An implementation of the life cycle: step-by-step activities for each phase roles for designers, owners, users, builders deliverables and quality standards tools and techniques

    15. Alternatives to the SDLC Traditional method Prototyping End-user development Off-the-shelf software Outsourcing

    16. There is nothing more difficult to carry out, nor more dangerous to handle, than to initiate a new order of things. For the reformer has enemies in all who profit by the old order, and only lukewarm defenders in all those who would profit from the new order, this lukewarmness arising partly from fear of their adversaries -- and partly from the incredulity of mankind, who do not believe in anything new until they had had actual experience of it. From Machiavelli, Niccolo. The Prince and Discourses, trans. Luigi Ricci, 1940, 1950, Random House, Inc.

More Related